MALUF, Décio Zuliani et al. Evaluation of used progestagen implants on pregnancy rate in beef cows. Brazilian Journal of Veterinary Research and Animal Science, São Paulo, Brasil, v. 47, n. 1, p. 38–46, 2010. DOI: 10.11606/issn.1678-4456.bjvras.2010.26847. Disponível em: https://www.revistas.usp.br/bjvras/article/view/26847.. Acesso em: 28 apr. 2024.